Coreopsis rosea Nutt.

Oregon: Multnomah County: Sauvie Island, along the Multnomah Channel, near the Sauvie Island Bridge. Elev. 30 ft.
UTM Zone 10, 514391E, 5052748N
Datum: WGS 84. Uncertainty: 1539 meters. Coordinate Source: GeoLocate.
River shore near high water line. With Helenium autumnale, Polygonum. Rhizomatous, forming a dense patch of 100 to 200 stems; rays pink. No ornamental plantings evident in vicinity. Phenology: Flowers & Fruits.

R.E. Brainerd 1635, Oct 15, 2009
With N. Otting
WTU, Accession: 388112

Coreopsis rosea Nutt.
Annotated by Chambers, K., 2013.

Oregon: Multnomah: Sauvie Island, along the Multnomah Channel, near the Sauvie Island Bridge. Elev. 30 ft.
45.6281° N, 122.8154° W,
Datum: WGS84. Coordinate Source: OrlookId: 40982, StateProvince: Oregon, County: Multnomah, LocName: UTM Zone 10 514391E 5052748N. OregonFlora 1994-2020 methodology.
River shore near high water line. Helenium autumnale, Polygonum Https://oregonflora.org/collections/individual/index.php?occid=1067984.

Richard E. Brainerd; R.E. Brainerd 1632, Oct 15, 2009
With N. Otting.
OSC, Catalog: OSC-V-065249, Accession Number: OSC234694